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Hubble space telescope click to hear : Hubble space telescope

Telescope placed in orbit above Earth’s atmosphere (600 km), making it possible to observe the universe as never before.
Hubble space telescope image
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See Hubble space telescope in : french | spanish
aperture door aft shroud solar panel antenna light shield fine guidance system secondary mirror primary mirror scientific instruments

aperture door click to hear : aperture door

Panel that opens and closes over the telescope’s optical system.

aft shroud click to hear : aft shroud

Part containing, in particular, a cooling system that protects the scientific instruments.

solar panel click to hear : solar panel

Power supply device that converts solar energy into immediately usable electrical energy.

antenna click to hear : antenna

Conductor that transmits images to Earth by means of a communications satellite.

light shield click to hear : light shield

Prevents stray light from entering the telescope.

fine guidance system click to hear : fine guidance system

Makes it possible to point and control the telescope with great precision.

secondary mirror click to hear : secondary mirror

Mirror that sends light back toward the scientific instruments through a hole in the primary mirror.

primary mirror click to hear : primary mirror

Mirror that reflects the light of celestial bodies, directing it toward the secondary mirror.

scientific instruments click to hear : scientific instruments

These include cameras, spectrographs and photometers.